What is CVE-2022-22819?

CVE-2022-22819 is a high-severity vulnerability in Nxp Lpc55s66jbd100, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-23.

How severe is CVE-2022-22819?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Nxp Lpc55s66jbd100

CVE-2022-22819

NXP LPC55S66JBD64, LPC55S66JBD100, LPC55S66JEV98, LPC55S69JBD64, LPC55S69JBD100, and LPC55S69JEV98 microcontrollers (ROM version 1B) have a buffer overflow in parsing SB2 updates before the signature is verified. This can allow an attacker to achieve non-persistent code execution via a crafted unsigned update.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (67.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2022-22819?: CVE-2022-22819 is a high-severity vulnerability in Nxp Lpc55s66jbd100, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2022-03-23.
How severe is CVE-2022-22819?: High severity. CVSS v3 base score is 7.8 out of 10.